JAN 1, 1960 JULY 31 1962.POSSIBILITY THAT INDUCTION HARDENIN G PROCESS INEFFECT AT NORTH AMERICAN ROCKWELL'S AXLE PLANT MA Y HAVE CREATED HIGH RESIDUALSTRESSES AT INNER BEARING SHOULDE R AREA.STRESSES MAY BECOME PHYSICAL UNDEREXTENDED FIELD SER VICE.CONTINUED USE OF AXLE AFTER AFTER CRACKING OCCURS,MAYCAUSE AXLE SPINDLE TO (CORRECT BY INSPECTING AND REPLACING WHE RENECESSARY).NECESSARY.%LY.